CN110439126B - Ultra-high performance concrete prefabricated part node - Google Patents
Ultra-high performance concrete prefabricated part node Download PDFInfo
- Publication number
- CN110439126B CN110439126B CN201910764508.1A CN201910764508A CN110439126B CN 110439126 B CN110439126 B CN 110439126B CN 201910764508 A CN201910764508 A CN 201910764508A CN 110439126 B CN110439126 B CN 110439126B
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- positioning seat
- seat
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- column
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 4
- 210000002435 tendon Anatomy 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an ultra-high performance concrete prefabricated part node, which comprises an upper column (1) and a lower column (2) which can be mutually butted, wherein the upper column (1) and the lower column (2) are both formed by pouring ultra-high performance concrete, an upper positioning seat (3) is embedded in the lower part of the upper column (1), and a lower positioning seat (4) butted with the upper positioning seat (3) is embedded in the upper part of the lower column (2); the upper portion of the lower positioning seat (4) is integrally of a hollow structure, a connecting seat (5) is arranged inside the lower positioning seat (4), and the connecting seat (5) is integrally of a cuboid tubular structure concentric with the lower positioning seat (4). The whole installation process is simple and reliable, and the service life of the whole node can be as long as that of super-performance concrete by being different from the traditional fixing mode of secondary pouring or direct welding.
Description
Technical Field
The invention relates to the technical field related to concrete prefabricated parts, in particular to an ultrahigh-performance concrete prefabricated part node.
Background
The ultra-high performance concrete is a novel high-technology concrete, is produced by adopting conventional materials and processes, has various mechanical properties required by a concrete structure, is not layered or isolated in the forming process, is easy to fill a model, is the concrete with ultra-high durability, ultra-high workability, ultra-high service life and ultra-high volume stability, and is often used as a main body material of an assembled building component;
at present, most of building prefabricated components taking ultra-high performance concrete as main materials adopt a traditional connection fixing mode of matching an overlapping structure with secondary pouring, and although the connection fixing mode is firm, the service life of the connection fixing mode is short compared with that of ultra-high performance concrete, and the connection fixing mode is the most main obstacle restricting the popularization of the ultra-high performance concrete prefabricated building.
Disclosure of Invention
The invention aims to provide an ultra-high performance concrete prefabricated part and a preparation method thereof, which can effectively solve the problems in the background art.
In order to solve the problems existing in the background technology, the device comprises an upper column 1 and a lower column 2 which can be butted with each other, wherein the upper column 1 and the lower column 2 are both formed by pouring ultrahigh-performance concrete, an upper positioning seat 3 is embedded in the lower part of the upper column 1, and a lower positioning seat 4 butted with the upper positioning seat 3 is embedded in the upper part of the lower column 2;
the upper part of the lower positioning seat 4 is integrally of a hollow structure, a connecting seat 5 is arranged inside the lower positioning seat 4, the connecting seat 5 is integrally of a cuboid tubular structure concentric with the lower positioning seat 4, two end parts of the connecting seat 5 respectively extend outwards and vertically to form a limiting clamping plate 6 which can be in clearance sliding fit with the inner wall of the lower positioning seat 4, two side parts of the connecting seat 5 respectively extend outwards and vertically to form a positioning clamping plate 7, and two side parts of the upper part of the lower positioning seat 4 are respectively provided with a positioning sliding chute 8 for the positioning clamping plate 7 to pass through in a clearance manner;
the two sides of the upper positioning seat 3 are respectively provided with an I-beam 9, and the upper top surface of the I-beam 9 is fixedly welded with a plurality of reinforcing steel bars 10 which are arranged along the length direction and are used for being butted with the plate ribs;
the upper side and the lower side of the end part of the I-beam 9 are respectively provided with a guide sliding chute 11 which can be in clearance sliding fit with the edges of the upper end and the lower end of the positioning clamping plate 7;
two adjacent I-beams 9 are connected and fixed into a whole through a prestressed tendon 12, and the middle part of the prestressed tendon 12 penetrates through the connecting seat 5.
A positioning baffle 13 is arranged inside the lower positioning seat 4, and two ends of the lower part of the positioning baffle 13 are respectively welded and fixed on the inner wall of the lower positioning seat 4.
An axial clamping seat 14 is fixedly embedded in the end part of the upper top surface of the I-beam 9 in a welding mode, the axial clamping seat 14 is integrally of a rectangular strip-shaped structure, an axial clamping plate 15 is vertically welded on one surface, facing the upper positioning seat 3, of the axial clamping seat 14, and a slot 16 for the axial clamping plate 15 to be inserted into a gap is formed in one side of the upper positioning seat 3 in a penetrating mode; a first haunched plate 17 is welded on one surface, back to the upper positioning seat 3, of the axial clamping seat 14, and the first haunched plate 17 is welded and fixed on the upper end face of the I-beam 9.
And second haunching plates 18 are welded on two sides of the lower positioning seat 4 respectively, and the upper end parts of the second haunching plates 18 can be attached to the lower bottom surface of the I-beam 9 to move.
The optimal length of the prestressed tendon 12 is that when the positioning clamping plate 7 slides into the bottommost part of the positioning sliding groove 8, under the blocking action of the positioning baffle 13, the end part of the i-beam 9 is tightly supported against the outer side surface of the lower positioning seat 4, and meanwhile, the axial clamping plate 15 is tightly inserted into the slot 16.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: whole installation is simple reliable, is different from the tradition and pours or direct welded fixed mode through the secondary, and the life of whole node can accomplish to be the same with super performance concrete life-span.
Drawings
In order to more clearly illustrate the present invention, embodiments will be briefly described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
Example 1
Referring to fig. 1, the device comprises an upper column 1 and a lower column 2 which can be butted with each other, wherein the upper column 1 and the lower column 2 are both formed by pouring ultrahigh-performance concrete, an upper positioning seat 3 is embedded in the lower part of the upper column 1, and a lower positioning seat 4 butted with the upper positioning seat 3 is embedded in the upper part of the lower column 2;
the upper part of the lower positioning seat 4 is integrally of a hollow structure, a connecting seat 5 is arranged inside the lower positioning seat 4, the connecting seat 5 is integrally of a cuboid tubular structure concentric with the lower positioning seat 4, two end parts of the connecting seat 5 respectively extend outwards and vertically to form a limiting clamping plate 6 which can be in clearance sliding fit with the inner wall of the lower positioning seat 4, two side parts of the connecting seat 5 respectively extend outwards and vertically to form a positioning clamping plate 7, and two side parts of the upper part of the lower positioning seat 4 are respectively provided with a positioning sliding chute 8 for the positioning clamping plate 7 to pass through in a clearance manner;
the two sides of the upper positioning seat 3 are respectively provided with an I-beam 9, and the upper top surface of the I-beam 9 is fixedly welded with a plurality of reinforcing steel bars 10 which are arranged along the length direction and are used for being butted with the plate ribs;
the upper side and the lower side of the end part of the I-beam 9 are respectively provided with a guide sliding chute 11 which can be in clearance sliding fit with the edges of the upper end and the lower end of the positioning clamping plate 7;
two adjacent I-beams 9 are connected and fixed into a whole through a prestressed tendon 12, and the middle part of the prestressed tendon 12 penetrates through the connecting seat 5.
A positioning baffle 13 is arranged inside the lower positioning seat 4, and two ends of the lower part of the positioning baffle 13 are respectively welded and fixed on the inner wall of the lower positioning seat 4.
An axial clamping seat 14 is fixedly embedded in the end part of the upper top surface of the I-beam 9 in a welding mode, the axial clamping seat 14 is integrally of a rectangular strip-shaped structure, an axial clamping plate 15 is vertically welded on one surface, facing the upper positioning seat 3, of the axial clamping seat 14, and a slot 16 for the axial clamping plate 15 to be inserted into a gap is formed in one side of the upper positioning seat 3 in a penetrating mode; a first haunched plate 17 is welded on one surface, back to the upper positioning seat 3, of the axial clamping seat 14, and the first haunched plate 17 is welded and fixed on the upper end face of the I-beam 9.
And second haunching plates 18 are welded on two sides of the lower positioning seat 4 respectively, and the upper end parts of the second haunching plates 18 can be attached to the lower bottom surface of the I-beam 9 to move.
The optimal length of the prestressed tendon 12 is that when the positioning clamping plate 7 slides into the bottommost part of the positioning sliding groove 8, under the blocking action of the positioning baffle 13, the end part of the i-beam 9 is tightly supported against the outer side surface of the lower positioning seat 4, and meanwhile, the axial clamping plate 15 is tightly inserted into the slot 16.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: whole installation is simple reliable, is different from the tradition and pours or direct welded fixed mode through the secondary, and the life of whole node can accomplish to be the same with super performance concrete life-span.
Example 2
Firstly, a positioning clamping plate 7 is partially inserted into a guide sliding groove 11, then an I-shaped beam 9 and a connecting seat 5 are integrally lifted, the connecting seat 5 is inserted into a lower positioning seat 4, then an upper column 1 is lifted, the lower end of an upper positioning seat 3 of the upper column 1 is directly placed on the connecting seat 5, then the connecting seat 5 and the upper column 1 are jointly lowered, a prestressed rib 12 can be lifted up due to the fact that a positioning baffle 13 is fixed in the lowering process, the purpose that the end portion of the I-shaped beam 9 is tightly propped against the outer side face of the lower positioning seat 4 is achieved, radial direction fixing of the column and the beam can be achieved under the state, an axial clamping plate 15 is gradually inserted into a slot 16 in the process that the end portion of the I-shaped beam 9 is gradually contacted with the lower positioning seat 4, and the purpose that the axial direction of the column and the beam is fixed is achieved;
finally, the upper positioning seat 3 and the lower positioning seat 4 are screwed and fixed into a whole through bolts, the axial clamping seat 14 and the upper positioning seat 3 are welded and fixed into a whole, and the upper end edge of the second haunching plate 18 and the lower bottom surface of the I-beam 9 are welded and fixed into a whole;
in this embodiment, openings may be formed around the upper end of the upper positioning seat 3, and the ultrahigh-performance fine stone expansive concrete with a higher expansion coefficient may be poured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The ultra-high performance concrete prefabricated part node is characterized by comprising an upper column (1) and a lower column (2) which can be mutually butted, wherein the upper column (1) and the lower column (2) are both formed by pouring ultra-high performance concrete, an upper positioning seat (3) is embedded in the lower part of the upper column (1), and a lower positioning seat (4) butted with the upper positioning seat (3) is embedded in the upper part of the lower column (2);
the upper portion of the lower positioning seat (4) is integrally of a hollow structure, a connecting seat (5) is arranged inside the lower positioning seat (4), the connecting seat (5) is integrally of a cuboid tubular structure concentric with the lower positioning seat (4), two end portions of the connecting seat (5) respectively extend outwards and vertically to form a limiting clamping plate (6) which can be in clearance sliding fit with the inner wall of the lower positioning seat (4), two side portions of the connecting seat (5) respectively extend outwards and vertically to form a positioning clamping plate (7), and two side portions of the upper portion of the lower positioning seat (4) are respectively provided with a positioning sliding groove (8) through which a clearance of the positioning clamping plate (7) passes;
i-beams (9) are respectively arranged on two sides of the upper positioning seat (3), and a plurality of reinforcing steel bars (10) which are arranged along the length direction of the I-beams (9) and are used for being in butt joint with the plate ribs are welded and fixed on the upper top surface of the I-beams (9);
the upper side and the lower side of the end part of the I-beam (9) are respectively provided with a guide sliding chute (11) which can be in clearance sliding fit with the edges of the upper end and the lower end of the positioning clamping plate (7);
two adjacent I-beams (9) are connected and fixed into a whole through a prestressed tendon (12), and the middle part of the prestressed tendon (12) penetrates through the connecting seat (5).
2. The ultra-high performance concrete prefabricated part node according to claim 1, wherein a positioning baffle (13) is arranged inside the lower positioning seat (4), and two ends of the lower part of the positioning baffle (13) are respectively welded and fixed on the inner wall of the lower positioning seat (4).
3. The ultra-high performance concrete prefabricated part joint according to claim 2, wherein an axial clamping seat (14) is fixedly embedded into the end portion of the upper top surface of the I-beam (9) in a welding mode, the axial clamping seat (14) is of a rectangular strip structure as a whole, an axial clamping plate (15) is perpendicularly welded to one surface, facing the upper positioning seat (3), of the axial clamping seat (14), and a slot (16) for the axial clamping plate (15) to be inserted into is formed in a penetrating mode in one side of the upper positioning seat (3); one side of the axial clamping seat (14), which is back to the upper positioning seat (3), is welded with a first haunched plate (17), and the first haunched plate (17) is welded and fixed on the upper end face of the I-beam (9).
4. The ultra-high performance concrete prefabricated part joint according to claim 1, wherein the two sides of the lower positioning seat (4) are respectively welded with a second haunched plate (18), and the upper end of the second haunched plate (18) can move along the lower bottom surface of the I-shaped beam (9).
5. The ultra-high performance concrete prefabricated part node according to claim 3, wherein the optimal length of the prestressed tendon (12) is that when the positioning clamping plate (7) slides into the bottommost part of the positioning sliding chute (8), the prestressed tendon (12) is blocked by the positioning baffle plate (13), the end part of the I-shaped beam (9) is tightly pressed against the outer side surface of the lower positioning seat (4), and the axial clamping plate (15) is tightly inserted into the slot (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764508.1A CN110439126B (en) | 2019-08-19 | 2019-08-19 | Ultra-high performance concrete prefabricated part node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764508.1A CN110439126B (en) | 2019-08-19 | 2019-08-19 | Ultra-high performance concrete prefabricated part node |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110439126A CN110439126A (en) | 2019-11-12 |
| CN110439126B true CN110439126B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910764508.1A Expired - Fee Related CN110439126B (en) | 2019-08-19 | 2019-08-19 | Ultra-high performance concrete prefabricated part node |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984374B (en) * | 2019-12-05 | 2021-05-14 | 上海绿地建设(集团)有限公司 | Special-shaped column beam column joint structure |
| CN113338687B (en) * | 2021-06-09 | 2022-06-17 | 山东兴华建设集团有限公司 | Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0821011A (en) * | 1994-07-06 | 1996-01-23 | Hirata Kensetsu:Kk | Connector fittings for building |
| JPH09165833A (en) * | 1995-12-19 | 1997-06-24 | Shierutaa Home Kk | Joint device for building member |
| JP3814607B2 (en) * | 2003-11-11 | 2006-08-30 | 株式会社エル・アイ・シー | Connecting structure of pillars and foundations of wooden buildings and assembling method of pillars and foundations of wooden buildings |
| KR101036175B1 (en) * | 2009-05-11 | 2011-05-23 | 대림산업 주식회사 | Joint structure of PC beam for use in construction of building using PRC integrating method |
| CN206428825U (en) * | 2017-01-17 | 2017-08-22 | 温州市中盛装饰工程有限公司 | A kind of building module steel structure connection component |
| CN206554242U (en) * | 2017-03-03 | 2017-10-13 | 湖南高速铁路职业技术学院 | A kind of new concrete composite beam and concrete filled steel tube column connected node |
| CN106836479B (en) * | 2017-03-31 | 2022-08-23 | 浙江工业大学工程设计集团有限公司 | Assembled prestressed concrete frame structure |
| CN109577553A (en) * | 2018-12-11 | 2019-04-05 | 郑鹏 | A kind of new-type fabricated construction precast column unit and beam-column node construction method |
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2019
- 2019-08-19 CN CN201910764508.1A patent/CN110439126B/en not_active Expired - Fee Related
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| CN110439126A (en) | 2019-11-12 |
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Granted publication date: 20210205 |